Kingston 32gb ddr4 2133mhz dimm 288 pin pc4 17000 cl15 12 v memory module specifications general capacity 32 gb upgrade type system specific oem manufacturer equivalent part number hp 728629 b21 memory type dram technology ddr4 sdram form factor dimm 288 pin speed 2133 mhz pc4 17000 latency timings cl15 data integrity check ecc features registered module configuration 4096 x 72 voltage 12 v lead plating gold manufacturer warranty